D. A database is software which is designed to store massive amounts of data and organize them in such a way that information can easily be worked on (added, deleted, moved, etc...).
Answer:
d. integrity
Explanation:
Data integrity is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.
Data integrity can be used to describe a state, a process or a function – and is often used as a proxy for “data quality”. Data with “integrity” is said to have a complete or whole structure. Data integrity is imposed within a database when it is designed and is authenticated through the ongoing use of error checking and validation routines. As a simple example, to maintain data integrity numeric columns/cells should not accept alphabetic data.
Answer:
Tuan should do D.
Explanation:
As in if you use the mac, or any other computer, you would find the accounts in User Accounts and Family Safety or something like that. Go there, authenciate/unlock the computer, and press the + button or enable the guest. That is how you do it.
D.) So that they can lower the I2R losses
Answer:
As far as i know, it is Virtual Local Area Network (VLAN). You can read more about this here: https://en.wikipedia.org/wiki/VLAN